—How did she get infected? —She ____ the viruses without any protection.
#101750
A
exposed to
B
had exposed to
C
was exposed to
D
has exposed to
推荐题目
The number of foreign students attending Chinese universities ________ rising steadily since1990.
#104967
A
is
B
are
C
has been
D
have been
Once e-mail learners _______ with the basic knowledge of how to use the network, they ______ to a local network and a global network.
#102787
A
are equipped … will be linked
B
are equipping…will be linked
C
are equipped … will link
D
will be equipped…will be linked
I was sleeping when the telephone rang again.It was the third time that I ________ that night.
#99409
A
have been interrupted
B
had been interrupted
C
interrupted
D
had interrupted
The time is not far away when mobile phones _____ widespread in China’s vast countryside.
#104886
A
will become
B
become
C
shall become
D
have become
Peter had intended to take a job in business, but____ that plan after the unpleasant experience in Canada in 2010.
#100986
A
had abandoned
B
abandoned
C
abandon
D
will abandon